Dr. Martin Gunkel
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 6 · 2,056 IPv4 addresses |
| IPv6 | 3 prefixes (largest 2a0d:a800::/29) |
| Cluster ID | 213270175 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
4 weekly snapshots · JSON
6
0 netblocks since 2026-07-12
2026-07-12
peak 6
2026-07-26
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 88.198.248.240/29 | DR-MARTIN-GUNKEL | RIPE | ASSIGNED PA | ● low |
| 185.223.108.0/22 | Dr. Martin Gunkel | RIPE | ALLOCATED PA | ● low |
| 217.73.148.0/22 | Dr. Martin Gunkel | RIPE | ALLOCATED PA | ● low |
| 2a01:4f8:1bd:1600::/56 | DR-MARTIN-GUNKEL | RIPE | ASSIGNED | ● low |
| 2a01:4f8:201:91f4::/64 | DR-MARTIN-GUNKEL | RIPE | ASSIGNED | ● low |
| 2a0d:a800::/29 | Dr. Martin Gunkel | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (3)
Network trust
what's this?
RPKI hygiene: C
how networks compare →
66.7%
of checked blocks have valid RPKI ROA coverage
(4 of 6)
Possible discrepancies (2)
These blocks are registered to Dr. Martin Gunkel but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a01:4f8:1bd:1600::/56 /56 | authorized for AS24940 — Hetzner Online GmbH |
| 217.73.148.0/22 /22 | authorized for AS29404 — Elbracht-Computer Netzwerk & Grafik Service GmbH |
NIC Handles
DUMY-RIPE
DUMY-RIPE
HOS-GUN
ORG-DMG5-RIPE
RIPE-NCC-HM-MNT
de-mindmed-1-mnt